오라클 DB 용량(사이즈) 확인, 사용량, 여유공간 조회 쿼리

DB전체 용량 확인 select sum(bytes) from dba_data_files; MB단위: select sum(bytes)/1024/1024 from dba_data_files; GB단위:select sum(bytes)/1024/1024/1024 from dba_data_files; DB사용량 용량 확인 select sum(bytes) from dba_segments; MB단위:select sum(bytes)/1024/1024 from dba_segments; GB단위:select sum(bytes)/1024/1024/1024 from dba_segments; DB여유량 용량 확인 select sum(bytes) from dba_free_space; MB단위:select sum(bytes)/1024/1024 from dba_free_space; GB단위:select sum(bytes)/1024/1024/1024 from dba_free_space;...